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HOW TO CUT CONCRETE

Published January 7, 2019

This is a step by step guide on how I cut concrete. I have been cutting concrete for years and hopefully can help you perform a safe and accurate cut. The first thing you want to do is get yourself a demo saw. You can see our list of recommended demo saws here.

Make sure to install a concrete cutting diamond blade on your demo saw. You should determine the thickness of the concrete you are cutting and use the appropriate sized blade. A typical demo saw will have a cutting depth of about 4 or 5 inches. This should be deep enough for most concrete slabs. Sometimes it's possible to cut a portion of the way through and then break the concrete later with a sledgehammer. You want to clean the concrete area that you are going to be cutting, this will make sure that no debris shoots up while you're cutting. If possible, mark a cut line where you're going to be doing the cutting with either a chalk line or pencil. Make sure there's proper ventilation for the demo saw exhaust and the dust. Make sure you wear a dust mask and protective goggles. You may also want to wear hearing protection, cutting concrete is a loud job. Start cutting along the line with your demo saw. To prolong the life of the diamond blade, use the water attachment on the concrete saw. Sometimes it's easier to make a small groove with the saw along the entire line first. This will then guide the saw through the entire cut. This is easier than cutting the full depth and then trying to stay on the straight line. After you're finished you may want to clean the air filter on your demo saw. You can see some pictures below of concrete cutting examples.

Cutting Dusty Concrete

Demo Saw

Cutting Concrete With A Demo Saw

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Cutting Concrete With A Walk Behind

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